Get memory usage report from GC

[tcak via Digitalmars-d-learn]

On Saturday, 20 February 2016 at 05:33:00 UTC, tcak wrote:
> Is there any way (I checked core.memory already) to collect 
> report about memory usage from garbage collector? So, I can see 
> a list of pointer and length information. Since getting this 
> information would require another memory area in heap, it could 
> be like logging when report is asked.
>
> My long running but idle program starts using 41.7% of memory 
> (that's close to 3GB), and it is not obvious whether the memory 
> is allocated by a single variable, or many variables.

My mistake, it is close to 512MB.